Year	Number of Firms
1992-01-01	26
1997-01-01	36
2002-01-01	29
2003-01-01	26
2004-01-01	35
2005-01-01	36
2006-01-01	45
2007-01-01	51
2008-01-01	58
2009-01-01	51
2010-01-01	53
2011-01-01	51
2012-01-01	55
2013-01-01	56
2014-01-01	57
2015-01-01	58
2016-01-01	51